Agricultural machine.



- L.- E. ROBY. AGRICULTURAL MACHINE. APPLICATION FILED MAR. 23, 1908.

- 941 5465.1 I Patented Nov. 30, 1 909.

UNITED STATES PATENT OFFICE.

LUTHER E. ROBY, OF PEORIA, ILLINOIS.

AGRICULTURAL MACHINE.

To all whom it may concern: I

Be it known that I, LUTHER E. RoBY, a citizen of the United States,residing at Peoria, in the county of Peoria and State of Illinois, haveinvented certain new and useful Improvements in Agricultural Machines;and I do hereby declare that the following is a full, clear, and exactdescription of the invention, which will enable others skilled in theart to which it appertains to make use the same.

This invention has reference to certain new and useful improvements inagricultural machines wherein disk furrow openers are employed, andparticularly to a scraping-blade adapted to have contact with the disks.

Said scraping-blades are attached to means longitudinally for saiddisks.

The invention consists further in combining with a disk furrow openerand its support, a scraping-blade adapted to have contact with theconcave face of the disk, a spring-blade to which the scraping-blade isattached, the said spring-blade connected with an attachment'slidably'secured to the support of the said disks.

While the invention herein is applicable to several forms ofagricultural machines employing disk furrow openers, I have preferred toshow the same in connection with a disk furrow opener and its supportsimilar to that shown in the patent to Roby and Pattison dated Sept. 19,1905, numbered 799,676, and certain improvements to be more specificallydescribed have been made adjustable on the supports between theconnection of the disk supportand grain-boot or conductor shown in the.

above said patent.

The invention consists, further, in the pro vision of details moreparticularly set out in H the following description, claimed in theappended claims, and illustrated in the accom panying drawings, in whichFigure 1 1s a side elevation of a disk furrow opener, looking at theconcave face thereof, the support of the said'disk, the

grain-boot attached thereto, and the scrap} ing-blade in contact withthe disk and the manner of sup orting the same upon the support of thedlsk; Fig. 2 is a side elevation looking at the opposite side of theparts seen in Fig. 1; Fig. 3 is a plan view of Fig. 1, with the forwardend of the drag-bar broken Specification of Letters Patent.

and I -ent of the saiddisk or its support.

Patented Nov. 30, 1909.

away, certain other parts omitted, and the grain-boot shown intransverse sections, and Fig. 4 1s a cross-section on an enlarged scaletaken on the line XX of Fig. 2.

This application is filed as a substitute for the application filed b meon November 15, 1905, bearing Serial 0. 288,063.

Like numerals of reference refer to corresponding parts throughout thefigures.

In the drawings 1 indicates a drag-bar or support of suitable lengthconnected at its forward end with a head 2, which has a pivotalconnection with a rod or spindle 3,

which may be suitably supported or attached to the frame of any of thewell known grain drills. In this connection, it has not been thoughtnecessary to show the supporting frame for grain drills of the characterspecified herein, as such frame or the parts thereof do not form anypart of the invention herein, except as forming a support or connectionfor the drag-bar 1 and it is thought that the connection of the head 2with the spindle 3' is sufiicient to show a connection for the drag-bar.

At a suitable point on the body of the drag-bar 1 is fixedly attached abracket or support 1, which depends from the said drag-bar and'the sameis provided with a suitable bearing on which a disk 5 is rotatablycarried. The disk 5 is similar to disks used in machines of thischaracter having concave and convex faces; and in mounting the disk ofthe bearing of the bracket or support 4 it will be noticed that theconvex face of the disk is carried in juxtaposition to the inner face ofthe bracket 4 referred to.

The grain-boot or conductor to which attention has been called isindicated as 6 and has attached thereto or cast integral therewith theforwardly and upwardly carried shoe or arm 7 which at its upper end isadapted to have a pivotal connection at 8 with the support 4 and journalof the said disk, diametric with the axis of the said disk, whereby thesaid conductor is adapted to have an oscillatory movement indepIendt ishere noted that the connection of the support 4: with the drag-bar, theform of the bearing of the said support-and the manner of connecting thedisk thereto and the connection between the shoe or arm of thegrain-boot with the support 4 and disk, are

in all respects similar to and constructed substantially like that shownin the patent above referred to, and inasmuch as these connections arenot specifically claimed herein it is not thought necessary to detailthe parts and connections as above specified.

In the drawings the drag-bar 1 is shown extending beyond the bracket 4;and at a point between the bracket and the grainboot 6 the said dragbarterminates and has connected therewith an arm 9 provided with theyoke-portion 10 which partially encircles the grain-boot 6, as shown inthe drawings and extending outwardly from the yokeportion from the armis seen a pair 'of ears 11 between which and to which is pivotallyconnected the lower end of a rod 12 about which is a coil spring 18. Therod 12, although the connections are not shown, is adapted to havesuitable connection with a rock-shaft which may be suitably operated forthe purpdse of raising and lowering the drag-bar, disk and boot throughthe connec} tion of the rod 12; Spring 12), as in constructions of thischaracter may be employed for exerting more or less pressure upon thedisk in the ground. The rod 12 just referred to is similar to and servesthe same oflice as the corresponding parts shown in the patent abovereferred to, and it is not thought necessary to go into further detailrelating thereto, its connection or the manner of operating the samewith usual parts of the well known type of grain drills.

The grain-boot 6 is provided with a pair of lugs 14 and 15 projectinglaterally therefrom, which. may be duplicated upon opposite sides if itis so desired and disposed in such a manner as to be engaged by the yokeportion 10 of the arm 9. With the use of the lugs 14 and 15 the spring13 may be omitted, if desired, and when the disk is depressed into theground, the boot and shoe of their own weight will drop and follow thedownward movement of the disk, the lug 14 serving as an engaging pointfor the yokeportion' of the drag-bar when raising the disk and the lug15 serving as an engaging point for the drag-bar when the disk isdepressed, should the boot and shoe fail to correspond with the movementof the disk by their own weight in the manner specified.

Forming a yielding connection between the grain-boot and the yokeportionof the arm 9 of the drag-bar is a pulling spring 16, connected at itsupper end to the hook 17 of the boot and at its lower end to the hook 18of the yoke of the arm 9, so that in the downward movement of the yokeand dragbar when pressure is applied to the same, the boot will also bedepressed or drawn downwardly through the connect-ion of the said springbetween the boot and the yoke of the arm. And through the provision ofthe pivotal connection of the arm of the boot with the disk and itssupportthe said boot is adapted to rise and fall independently of thesaid disk or with the same and in working position remains with itslowermost portion traveling in the wake of the disk and on a level withthe lowermost cutting edge of the disk.

Referring now to the scraping-blade described as adapted to have contactwith the disk, the same is indicated as 19 having the scraping edge 20and suitably secured to the rear end of a bar or blade 21, preferably aspring-blade. The said bar 21 extends longitudinally and parallel withthe dragbar 1 and its forward end lies adjacent thereto. For clampingthe bar or blade 21 whereby the same is slidably connected with thedrag-bar 1, I employ the sliding block having the enlarged rectangularopening 23 through which the drag-bar is carried and the reduced opening21 forming a seat in which the bar or blade 21 is carried. The block 22is provided with the interiorly projected pin 25 which is adapted toengage a perforation 26 in the bar or blade 21, which serves to securelyretain the bar 21 in a fixed position relative to its connection withthe block 22 and the drawbar 1. Under certain conditions thescraping-blade in its contact with the disk might possibly be dislodgedfrom its engagement with the disk were it not that the pin 25 wasemployed to hold it against longitudinal movement. For clamping the bar21 and the block 2 to the draw-bar the set screw 27 is used and operatessubstantially as seen in Fig. 4-. The openings through the block 22 areof such a width that when it is desired to place the bar or blade 21 ordisconnect it from the block and the draw-bar, upon loosening the setscrew 27 the block 22 maybe moved laterally on the draw-bar which willpermit the bar or blade 21 to be inserted into the block when the pinwill engage the opening in the bar or disengage the said bar from theblock and its pin.

Disposing the convex face of the disk adjacent to the draw-bar, thespring blade. 21 is bent outwardly from the draw-bar at a point 28 asshown in Fig. 3 then carried rearwardly and inwardly toward the face ofthe disk and while the spring-blade 21 is held against longitudinalmovement until the loosening of the nut 27 which attaehes the parts tobe slidably adjusted on the draw-bar, the spring-plate holds the scraperyieldingly in contact with the face of the said disk. In the adjustmentof the block 22 on the draw-bar it will be seen that I am enabled toplace the scraping blade in contact with the disk or withdraw it toprevent such contact when the ground is in such a condition that it isunnecessary to use the scraping blade. It will be noted by theexamination of the drawings that the scraping blade contacts with thedisk at a point in vertical alinement with the aXis of the disk andabove the same, this arrange ment is found to be more convenient, moredesirable and operates with better satisfaction than where the scrapercontacts with other and various points of the disk.

Attention is further called to the construction of the rear end of thedraw-bar, where it is shown that the arm provided with the yoke-portionis connected to the main portion of the said draw-bar. The main body ofthe draw-bar when the same is operatively connected with the frame partsof a drill is disposed in an inclined position, whereas, its lower rearend is bent to extend in a substantially horizontal plane and the arm 9with its yoke 10 attached thereto lies also in the same plane. This isfound to be a most convenient arrangement because of the fact the grainconductor stands in a substantially vertical position. With the yokepartially surrounding the said conductor it prevents any lateralmovement of the same and retains the conductor in the same relation tothe cutting edge of the disk at all times.

I wish it understood that I have shown the preferred construction of thedisk, boot and support to which it is desired to attach thescraping-blade and its supporting member, the scraping-blade and itsmember is not necessarily confined to such an application as it isapplicable to, and will work equally as well in connection with otherforms of disks and their supports; also that the construction of theboot and its connection with the draw-bar and also with operative partsof full size drill may be modified and come within the scope andprinciple of invention herein.

Having thus fully described my invention, what I claim and desire tosecure by Letters Patent of the United States, is

1. In a device of the character described, the combination -of a pivoteddrag-bar, a disk carried by the said bar, a block slidably adjustable onthe said bar, a scrapingblade adapted to have contact with the saiddisk, and connecting means between the scraping-blade and the blockaforesaid.

2. In a device of the character described, the combination of a support,a disk carried by the said support, a block slidably adjustable on thesaid support, a scraping-blade adapted to have contact with the saiddisk, connecting means between the scrapingblade and the blockaforesaid, and means carried by the block for locking the connectingmeans between the scraping-blade and the said block against longitudinaldisplacement.

3. In a device of the character described, the combination of a support,a disk carried by the said support, a block slidably connected with thesupport, a scraping-blade adapted to have contact with the said disk, aspring-blade to which the scraping-blade is attached, said spring-bladeadapted to be secured'within the said block and adjacent to the saidsupport.

4. In a device of the character described, the combination of a support,a disk carried by the support, a block slidably connected with thesupport and means for securing the block in adjusted positions, ascrapingblade adapted to have contact with the said disk, a spring-bladeto which the scrapingblade is attached, said spring-blade adapted to besecured within the said block and adjacent to the said support.

t). In a device of the character described, the combination of asupport, a disk carried by the support, a block slidably connected withthe support, and means for securing the block in adjusted positions, ascrapingblade adapted to have contact with the said disk, a bar to whichthe scraping-blade is attached, the said bar secured to the sup port bymeans of the block aforesaid, and having a perforation, and a pin on thesaid block adapted to engage the perforation in said bar.

6. In a device of the character described, the combination of a support,a disk at tached to the said support, a block slidably adjustable on thesaid support, means for securing the block in adjusted positions, a barcarried parallel with the support and having one end secured to thesupport by means of the block, the said bar extending outwardly from thesupport, rearwardly and inwardly to a point near the disk, and ascraping-blade adapted to contact with the disk and attached to the saidbar.

7. In a device of the character described, the combination of adrag-bar, a support depending therefrom, a disk journaled on saidsupport, a grain-boot pivotally connected with the support ofthe disk,an arm attached to the drag-bar and having a yoke portion partiallysurrounding the grainboot, and means on the boot adapted to be engagedby the yoke-portion of the arm aforesaid.

8. In a device of the character described, the combination of adrag-bar, a support depending therefrom, a disk journaled on saidsupport, a grain-boot having a pivotal connection with the supportdiametric with the axis of the disk, an arm attached to the drag-bar andhaving a yoke-portion partially surrounding the grain-boot, and ayielding connection between the boot and the yoke-portion of said arm.

9. In a device of the character described, the combination of a pivoteddrag-bar disposed in an inclined position, a support de pending from thedrag-bar, a grain-boot having an upwardly and forwardly extend- &941,465

In testimony whereof I afiix my signature, in presence of two Witnesses.

LUTHER E. ROBY.

Vitnesses CHAS. W. LA PoRTE, Rom". N. MCCORMICK.

